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Radio Emission and Electric Gaps in Pulsar Magnetospheres

  • Authors: Ashley Bransgrove, Andrei M. Beloborodov, Yuri Levin

Ashley Bransgrove et al 2023 The Astrophysical Journal Letters 958 .

  • Provider: AAS Journals

Caption: Figure 2.

Excitation of waves in the pulsar magnetosphere. Color bar shows the components of the electromagnetic field multiplied by ﹩{(r/{r}_{\star })}^{2}﹩. Top : E ∣∣ in the quasi-steady state. The dashed white curve shows the null surface ρ GJ = 0 (the null surface breathes outside r LC due to plasmoid motion). Insets (i)-(iii): electromagnetic modes excited during e ± discharges at the polar cap, inner return current, and outer return-current gaps. Inset (iv): waves excited by a beam plasma instability. For insets (i) and (ii), δ E is calculated by projecting δ E onto a unit vector in the ﹩\hat{{\boldsymbol{\phi }}}\times {\boldsymbol{B}}﹩direction.

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